Cisco Catalyst 3120 User Manual

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Cisco Catalyst Blade Switch 3120 for HP Software Configuration Guide
OL-12247-01
Chapter 36 Configuring QoS
Configuring Auto-QoS
Auto-QoS Configuration Example
This section describes how you could implement auto-QoS in a network, as shown in Figure 36-11. For
optimum QoS performance, enable auto-QoS on all the devices in the network.
Figure 36-11 Auto-QoS Configuration Example Network
Figure 36-11 shows a network in which the VoIP traffic is prioritized over all other traffic. Auto-QoS is
enabled on the switches in the network at the edge of the QoS domain.
2
01780
Cisco router
To Internet
Cisco
Blade
switch
Trunk
link
Trunk
link
Cisco IP phones
Blade servers
Cisco IP phones
Video server
172.20.10.16
IP
IP
IP
IP
Identify this interface
as connected to a
trusted switch or router
Identify this interface
as connected to a
trusted switch or router
Identify these
interfaces as
connected to
IP phones
Identify these
interfaces as
connected to
IP phones

Cisco Catalyst 3120 Specifications

General

Brand	Cisco
Model	Catalyst 3120
Category	Switch
Language	English